Matters involving physical computer components, circuitry and parts, as opposed to matters of software or computer programming

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96 views

MBA6,2 10.11 faulty temp sensor 230~300% kernel_task problem

Problem started after I sprayed some water during shower. Fan runs on 6500rpm as soon as I log on and kernel task stays on 230~300% even though laptop is not even warm. So I ran HWmonitor and it ...
1
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2answers
432 views

Screen Blacks Out After Fans Run at Maximum

I inherited an iMac and it has an issue. It boots up fine but within the first five minutes the fans start to slowly ramp up to full speed. After about five to ten minutes of the fans running at full ...
3
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2answers
52 views

Is it safe to discharge my body's static electricity onto my MacBook Pro?

Often in the winter (low humidity), getting up from and sitting down onto the seat at my desk, or taking off a jacket, and such will build up a static electric charge on my body. Sometimes I don't ...
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2answers
15k views

How can I fix this pixelated Macbook Pro display malfunction?

My Macbook Pro (Core 2 Duo - 2007) has seen better days. When I try to start, it simply boots to this odd pixelated image of the Apple start screen: I can only imagine that this is a display issue, ...
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2answers
1k views

Will I ever spoil my iPhone by placing it on top of my laptop?

Does anyone know if I will ever spoil my iPhone by placing it on top of my laptop? I mean I don't know about these electronic/magnetic stuff and I want to know if there may be any problem putting ...
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1answer
35 views

I short circuited my iPhone 5 through audio jack

Long story short, I short circuited my second most expensive asset through a usb-male-audio-male. I'm devastated. I'm not rich. I was still giddy about saving a dozen dollars during black friday sales....
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0answers
52 views

diagnose possible issue with MBpro 2012 running very slow

tl;dr Can a MacBook Pro become unbearably slow because of hardware issues, e.g a hard-drive failure? How can I best diagnose this? I own a MacBook Pro from 2012, which recently has become unbearably ...
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0answers
21 views

Mac Book Pro - Display blink issue

suddenly, I am getting issue in my mac book pro of display blink issue, When I start mac book, It starting to blink and then black screen. I ask at service center and they told to replace with new ...
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4answers
19k views

Can I upgrade my 2008 Mac Pro completely?

Hey everyone, I have a 2008 Mac Pro/2.83hzXEON(8)/8800GT512mb. Is it possible for me to upgrade this machine to newer hardware, since it is Intel based? What would it entail to put a newer processor, ...
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0answers
64 views

HD fine, SATA cable fine, but MBP internal won’t mount/boot

I’m looking for some advice regarding a specific problem with a MacBook Pro mid-2009 running the latest version of El Capitan. The basics follow, but I have shared details of the troubleshooting ...
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1answer
15 views

Sending USB and audio to LCD through thunderbolt

It is disappointing to me that in order to use my monitor's USB ports, I have to send 2 Data cables from my MacBook to my monitor: Thunderbolt->DVI and USB->USB. In order to use my monitor's inbuilt ...
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1answer
700 views

Wireless with 802.11r, 802.11k and 802.1x

I was recommended to seek for assistance here from the Networking/Stack Exchange site towards OS X queries, do hope someone has the answers. Have El Capitan on a testing iMac and deploying 802.11r/k ...
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1answer
123 views

Macbook Pro can't wake up (resume) after the battery dies

2015 15" Macbook Pro, AMD Radeon graphics. When the battery runs out and the macbook is reconnected to power, I press the power button and the screen turns on. It shows a corrupt, purple and green ...
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5answers
24k views

What causes a Mac to lose its serial number?

I upgrade my brand new late 2012 Mac Mini's drive to an SSD and changed the RAM. Now when looking up the serial number in "About this mac" or System Profiler it just says "System serial#" : The ...
0
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1answer
21 views

MacBook not recognizing Wireless N USB Adapter

I have an aluminum unibody (2008). I recently upgraded RAM & downloaded all software to get my baby up to date. THEN the wifi card died. I tried to fix that myself but thanks to Apple's almost ...
0
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2answers
58 views

iPhone 4s not charging 9/10 times

iPhone 4s, my iPhone 99% of the time won't charge arms the battery is power-draining. Started happening at random, going from good - absolute hell while i was at work. One time out of the many times I'...
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1answer
301 views

Run two 4K and one non-4K external display from late 2013 Macbook Pro

I have a late 2013 Macbook Pro with both the Intel Iris Pro integrated graphics and the NVidia Geforce 750M dedicated GPU. I run two 4k displays, one at 60Hz through a thunderbolt bolt and one at 30Hz ...
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2answers
3k views

Can I add different size RAMs to iMac 5K?

I have an iMac Retina 5K (27-inch, Late 2014) with 8 GB of RAM (2 * 4 GB 1600 MHz DDR3 memory modules). There are 2 memory slots free/available, and I want to add RAM to these two slots. My ...
2
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1answer
293 views

How can I send audio to airport speakers from a stereo system, not a computer?

I have some speakers connected to an Airport Express, and can easily send audio to them from a computer. So far, so good. However, I also have an actual stereo system (receiver, CD/tape decks, etc.), ...
3
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2answers
349 views

Number pad does not work in vim and less

I am working from an iMac running Yosemite and using this keyboard. The number pad works in the terminal, but when I open vim or less it does not. For example using less, if I type for the number 8, ...
0
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0answers
94 views

Spilled water on Macbook Air

I spilled water on my 2014 Macbook Air. I had a keyboard cover on, so I don't believe much got into the workings from the top. However, it appears that a decent amount of water got in through the ...
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0answers
47 views

How does force touch work?

I was wondering about how force touch actually works. Is something beneath the display sensitive to pressure and based on this, changes the resistance to an input wire of the processor ,thus changing ...
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0answers
55 views

How many GPUs my macbook pro has?

I am trying to find how many GPUs has my macbook pro and if I have some of them, what are their characteristics. I though I can find it from About this mac -> System Report -> Hardware, but was not ...
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2answers
1k views

RAM upgrade MacBook pro 15 inch mid-2010 on “El capitan”

I have a MacBook pro 15 inch mid-2010 i5 2,4 Ghz, which I already have upgraded to 8GB of RAM. I recently tried to upgrade my MacBook's RAM to 16GB on Yosemite and it gets a kernel panic, I know ...
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0answers
43 views

Phone won't boot after disconnecting battery when removing the back of the device

I wasn't paying to close of attention when removing the back of my iPhone 4 and the battery ended up getting disconnected from the little tab in the corner connecting it to the chip with 2 rows of 4 ...
2
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4answers
3k views

Bluetooth Not Available - Mid 2010 Macbook Pro

I have a 13" mid 2010 Macbook Pro running 10.8.3. For some reason, I started it up the other day and my Bluetooth is now for some reason unavailable. I've had this problem in the past, and if my ...
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0answers
37 views

Macbook Pro 2011 shuts off at Apple logo

So my 2011 Macbook Pro shuts itself off on startup, always right when the Apple logo shows up with a status bar at the bottom of the screen. The status bar fills up a tiny bit and boom, it shuts off. ...
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0answers
55 views

iPhone 5s serial number issue

When I connect the phone to iTunes, it recognizes and shows the serial number; however when the updating process begins it turns into "n/a". Can it be a clue to something?
2
votes
1answer
105 views

Why doesn't a stripped/cracked MagSafe power cable shock?

Behold, the fate of all (poorly handled) MagSafe power cables: Why doesn't this shock me? I've read that MagSafe cables are low voltage, but I don't even get a tingle. Is there any danger of shock,...
12
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6answers
115k views

What Thunderbolt to USB 3.0 cables/adapters exist for OS X and Mac hardware?

I have the Late 2013 Macbook Pro, which has two USB 3.0 ports and two Thunderbolt 2 ports. I currently use both USB 3.0 ports and one TB2 port. I want to connect a third USB 3.0 device to the machine, ...
7
votes
1answer
625 views

iPhone 4s leaking weird substance, has 2 small shadow bumps on the side of screen, and is getting hot very quickly

It is only a little more than a year old! On the bottom right of the screen, there are 2 small bumps of shadows, it has been heating up VERY quickly, and is leaking a very weird, clear, oil-like ...
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1answer
45 views

2010 Macbook pro makes intermitten beeping sound

It seems like every time I press a button or scroll on the touchpad I can hear little beeping noises coming from the hard drive area. How can I know what this noise is and whether it's a problem?
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2answers
464 views

Does the iPhone have a disabled chip for FM Radio?

This commentator writes: The iPhone 6 has an FM receiver chip Apple disables, forcing you to use iTunes… My question is: Does the iPhone 6 have a disabled chip capable of receiving FM Radio?
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6answers
123k views

How can I receive FM radio broadcasts on my iPhone 4?

How to listen my local FM stations in my iphone 4? Like I can listen with my old Nokia phone, without using Internet, GPRS etc. Is iPhone 4 lacking this facility? I heard about "Pandora Radio" but ...
6
votes
2answers
9k views

Which graphics cards or integrated GPUs support metal?

Apple announced metal for OS X. Apple's website clearly states some features will not be available on all macs, which seems to refer to metal support. But is there a list of already confirmed GPUs, ...
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1answer
195 views

Why can't I change my macbook's backlight?

So apparently I cannot modify my Macbook's backlight using the keyboard shortcut: I'm pretty sure it will work again if I restart it. But I wonder what may cause this: is it perhaps an issue with ...
0
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0answers
131 views

Boot hangs on grey screen, even when booting from USB drive with fresh OS X install

I've tried all the steps in the accepted answer in the question Boot hangs on grey screen (even when booting from USB drive with fresh OS X install)?, but my MacBook Pro 2011 is still not working. ...
3
votes
2answers
5k views

Will a 1.8GHz MacBook Air be much faster than a 1.3GHz model?

I am looking to purchase a refurbished Macbook Air from Apple's refurbished store. When comparing the models there are two I am looking at. The difference between the two is slight but one of the ...
14
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2answers
50k views

Difference between US QWERTY and International QWERTY Apple keyboards?

What exactly is the difference between US QWERTY and International QWERTY Apple keyboards? I’m talking about the hardware keyboards specifically, not about keyboard layouts (in System Settings).
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2answers
99 views

Where to source replacement internal fans? (For a mid-2011 iMac)

I'm looking to replace one of the internal fans in my iMac (mid-2011, 21.5" version) - is there anywhere these can be sourced?. I can't seem to find it online, and only see the part mentioned in ...
0
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1answer
74 views

Source of grinding sound from MBA

I have a 2014 Macbook Air. I dropped it and now it occasionally makes a grinding sound from the left rear of the machine: it sounds like something physically grinding against something else. Oddly, ...
1
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0answers
42 views

MacBook Retina 15" HDMI glitches

I have a 15" Retina MacBook (mid-2012), and I encounter issues with HDMI external displays. Sometimes, the connected display will turn either totally black or with white noise for a few seconds, and ...
1
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2answers
178 views

Should i upgrade my 2009 macbookpro components on general way?

I've a MacBook Pro (mid 2009), and it has low performance. If I can should I upgrade the memory` and/or a new hard drive or SSD? I don't want to buy another one if my Mac is in perfect condition. My ...
14
votes
5answers
13k views

Can a hobbyist or individual apply for Apple's MFi program?

I found that Apple has the MFi program to help develop a hardware for iPad/iPhone/iPod, but it looks like that only a company can apply for this program. Can a hobbyist or an individual apply for ...
2
votes
4answers
5k views

Durability of plastic screen on latest Retina Macbook Pro?

I am in need of a new MBP. I do development (Ruby/Rails) on my mid 2009 13" MPB running Mavericks, and I find it is getting old enough that I'm getting some lag when I'm running DB and web server, ...
6
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4answers
22k views

Can I change the flash storage in my iPhone 4?

I saw a super deal where I could get an iPhone 4 8GB for such a small amount that I couldn't resist. Does someone know if it's possible to change the flash storage for a 16GB or 32GB ? Would iTunes ...
0
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0answers
85 views

magic trackpad protocol modes

I use Linux and I bought an Apple Magic Trackpad ~1m ago. I have few bluetooth Apple HID devices (mouse, keyboard) many years and they works without problem in Linux ... except the new trackpad. On ...
0
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1answer
135 views

How to fix a MacBook's sound output which is stuck on headphones?

My MacBook late 2008, running Yosemite and it suddenly stopped playing audio through the internal speakers. I've checked "Sound" under System preferences, and headphones show up as the selected device ...
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0answers
143 views

How to further diagnose a probably broken graphics card?

I got a somehow broken iMac Mid-2010 (Mac11,2) with a Radeon HD 4670 video card from a friend and now have to repair it. Diagnosis history: The iMac with El Capitan installed doesn't start properly ...
1
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2answers
15 views

MacBook Pro in sleeping regime

Will there be any damage to a MacBook Pro if I keep it in sleeping regime all the time? The reason I don't switch it off is I had problems with the start button. It stopped working within a year and ...